说明：  LED点阵显示用两个以上的LED显示点阵，显示一段广告词 通过输入按钮实现点阵效果的切换,例如，静态，滚动，平移等效果。 通过输入按钮实现暂停效果，暂停期间，显示点阵全灭。 使用定时器实现点阵的时间设值
(LED dot matrix display with more than two LED display dot matrix display for some ad achieve dot effect through the input button to switch example, static, scrolling, panning and other effects. Enter button to pause effect, during the pause, the display dot Quanmie. Timer lattice time set value)